Digital effects device integrally combined within a video switch

Details Digital effects device integrally combined within a video switch Digital effects device integrally combined within a video switch

1986-03-28

1987-09-15

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 22, H04N 5265

Patent

active

046943439

ABSTRACT:
A digital effects unit is integrally combined with a video switcher apparatus by interrupting various selected video signal and control paths in the switcher and, in particular, the mix effects signal from the first mixer and the pattern signal from the pattern generator, and re-routing the corresponding signals to respective inputs of the digital effects unit. The resulting manipulated video and key output signals therefrom are supplied to a second, downstream mixer which combines the digital effects with conventional switcher effects.

REFERENCES:
patent: 4392156 (1983-07-01), Duca
patent: 4463372 (1984-07-01), Bennett
patent: 4472732 (1984-09-01), Bennett
Theory and Operation, Ampex Corporation Service Manual No. 1809633, Sep. 1984, pp. 3.1-3.10, 3.25-3.40 and 3.47-3.50.

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